Added a new after render function for elements.

ignite-element.js

@@ -295,6 +295,11 @@ class IgniteElement extends HTMLElement {
         //Leave the rendering context.
         IgniteRendering.leave();
 
+        //Invoke the after render function, ensure we are not in a rendering context.
+        IgniteRendering.push();
+        this.afterRender();
+        IgniteRendering.pop();
+
         //Let the rendering context know this element is ready.
         IgniteRendering.ready(this.readyCallback);
     }
@@ -372,6 +377,14 @@ class IgniteElement extends HTMLElement {
         return null;
     }
 
+    /**
+     * Called right after this element is rendered.
+     * Note: It's not guaranteed this element is connected to the DOM yet, but it will at least be fully initialized.
+     */
+    afterRender() {
+        
+    }
+
     /**
      * Called when this ignite element is being initialized. When this is called
      * the element has not been created. This is good for login checking code or special setup code.